Low-fare carriers JetBlue Airways
JBLU, +0.83%
and Southwest Airlines
LUV, +0.42%
both fell, with JetBlue feeling the impact of lost business in the wake of hurricanes that have battered Florida, a major market for the airline.

In a research note, BB&T Capital Markets cut its earnings estimates on JetBlue to reflect weakening margins and higher fuel costs. See full story.

Analyst Tony Cristello shaved JetBlue's third-quarter and fourth-quarter estimated earnings to 10 cents and 11 cents a share, down from 15 cents for each quarter, bringing the low-fare airline's estimated 2004 earnings to 54 cents, down from 63 cents previously.

He also said the recent hurricanes in Florida likely would have an impact on JetBlue's bookings. BB&T rates JetBlue a "hold" on valuation levels.

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